This is a complete kit that provides you with everything you need to whiten your teeth including a long-term supply of whitening gel so you can complete the job without purchasing additional refill gel and have plenty of whitening gel to do touch-ups later. Made by Sunshine Health Products, Inc.), America's premier and leading company in home teeth whitening systems with over 1,000,000 satisfied customers World Wide with a whopping and unbeatable 98% success rate.Sunshine Smiles PROFESSIONAL Dental Whitening kit is our best value and great for those who want results in the shortest time possible. It is fast, effective and easy-to-use. It contains the same active ingredient, 22% Carbamide Peroxide, as those dispensed in the professional dental offices.